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City report · Biobio, Chile

Los Ángeles Air quality today

Air quality in Los Ángeles currently reads AQI 58 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.

Air quality right now

AQI 58

Moderate

Main pollutant: PM2.5
PM2.5, fine particles (µg/m³)
13.6
tree cover
14.6%
trees in this area
45.9K
more trees needed
48.4K

Measured across a 2 km radius around Los Ángeles, Bio Bio, Chile (12.57 km²), from a satellite image of Mar 13, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.

Los Ángeles · AQI 58 (Moderate)

Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Mar 13, 2026

Los Ángeles's tree count comes to 45,867 trees across 12.57 km², 15 points below the 30% tree-cover level considered healthy for this area, so roughly 48,381 more trees would close the gap.

Air quality detail

Air quality in Los Ángeles today: AQI 58, Moderate

Main pollutant: PM2.5 · Observed Nov 10, 23:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.

Model estimate · no ground station nearby

Health signal

Unusually sensitive people should consider limiting long outdoor exertion.

PM2.5

13.6

PM10

14.7

NO₂

11.8

O₃

39.0

SO₂

2.4

CO

200.0

Outdoor exercise
Fine for most people; unusually sensitive people should take long or hard exercise easier
Windows
Fine to open; close them if you are sensitive to pollution
Mask
Not needed for most people
Air purifier
Worth running if you are sensitive

Over the last 7 days, the CAMS air-quality model put Los Ángeles's daily AQI at 24 on average, from 14 on Nov 7 to an hourly peak of 58 on Nov 10.

Last 7 daysavg 24 · peak 58
Nov 4: AQI 30 (peak 39)Nov 5: AQI 32 (peak 46)Nov 6: AQI 15 (peak 35)Nov 7: AQI 14 (peak 21)Nov 8: AQI 14 (peak 18)Nov 9: AQI 21 (peak 43)Nov 10: AQI 44 (peak 58)
Nov 4Nov 10

Where Los Ángeles stands: the most polluted cities in the world right now · the cleanest

Tree cover detail

Tree cover in Los Ángeles: Critically low

14.6% tree cover against a 30% healthy-neighborhood target, across 12.57 km².

15 points below target

Trees in this area

45,867

Target trees

94,248

More trees needed

48,381

CO₂ if planted / yr

1,064 t

Deforestation · 2001–2025

How much forest has Los Ángeles lost?

Since 2001, the area within 10 km of Los Ángeles has lost about 3,070 hectares of forest (about 4,300 football pitches): 28% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 514 hectares (17%) was deforestation: forest cleared for good for farms, mines or towns.

Satellite image of the area around Los Ángeles, January 2017

2017: satellite photo from January 2017 of a 5 × 5 km area about 7 km south of the city center.

Forest lost since 2001
3,070 haabout 4,300 football pitches
Share of its forest
28%of what there was in 2000
Cleared for good
514 hadeforestation: turned into farms, mines or towns

Forest loss is slowing down: about 45 hectares a year in 2021–2025, down from 204 hectares a year in 2016–2020. The worst year was 2017, when about 466 hectares of forest were lost.

Forest lost each year around Los Ángeles, 2001–2025

Hectares of forest lost each year

Forest lost each year around Los Ángeles, 2001–2025. Use the left and right arrow keys to read each year.466

Show the figures as a table
Forest lost each year around Los Ángeles, 2001–2025
YearCleared for goodCan grow backTotal
200117 ha32 ha49 ha
200268 ha36 ha104 ha
200328 ha32 ha60 ha
200421 ha143 ha163 ha
200527 ha168 ha195 ha
200612 ha67 ha80 ha
200736 ha92 ha128 ha
200843 ha61 ha104 ha
200912 ha89 ha101 ha
201015 ha46 ha61 ha
201113 ha143 ha156 ha
201228 ha37 ha65 ha
201321 ha146 ha167 ha
201429 ha147 ha176 ha
201511 ha200 ha211 ha
201629 ha162 ha191 ha
201729 ha437 ha466 ha
20189 ha138 ha146 ha
201920 ha162 ha182 ha
20207 ha30 ha37 ha
20216 ha62 ha68 ha
20226 ha29 ha35 ha
202311 ha30 ha41 ha
20247 ha23 ha30 ha
202511 ha41 ha52 ha

What is causing deforestation around Los Ángeles?

  • Loggingcan grow back83% · 2,550 ha
  • Farms, pasture and plantationscleared for good15% · 450 ha
  • Towns and roadscleared for good2.1% · 64 ha

Also: unknown causes.

Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.

Forest gained and lost, 2000–2020

Forest in 2000
6,470 ha
Forest in 2020
4,130 ha
Overall change
−2,340 haless forest than in 2000

Comparing satellite maps from 2000 and 2020, the forest around Los Ángeles shrank from about 6,470 hectares to 4,130 hectares, a net loss of about 2,340 hectares (−36%). New forest grew on about 641 hectares, but 2,990 hectares were lost.

These 2000 and 2020 maps, from the University of Maryland, count any land with trees taller than 5 m as forest, including plantations and orchards. Forest that was cut or burned and had grown back by 2020 counts in both years, so the loss here is smaller than the yearly figures.

These figures cover everything within 10 km of the city center, a wider area than the report above, because forest is usually lost at a city's edges.

Source: Hansen/UMD/Google/USGS/NASA, Global Forest Change (GFC-2025-v1.13); causes: WRI/Google DeepMind drivers of forest loss; both CC BY 4.0, summed by Airleaf for each area. Forest gained and lost 2000–2020: Potapov et al. 2022, UMD GLAD Global Land Cover and Land Use Change, CC BY 4.0. Images: contains modified Copernicus Sentinel data. How it's measured

In the same region

Measured cities near Los Ángeles

Same 2 km radius, same index — so they compare directly.

  • Villa Mercedes

    Chile

    33.8 km
    Tree cover
    33%
    Air quality
    29
  • Coronel

    Chile

    84.8 km
    Tree cover
    36%
    Air quality
    44
  • Concepción

    Chile

    94.4 km
    Tree cover
    28%
    Air quality
    48
  • Chillán

    Chile

    98.5 km
    Tree cover
    11%
    Air quality
    55
  • Talcahuano

    Chile

    107.0 km
    Tree cover
    19%
    Air quality
    48
  • Temuco

    Chile

    142.4 km
    Tree cover
    26%
    Air quality
    48

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Los Ángeles air quality (AQI) and tree cover — measured by Airleaf
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Frequently asked

Questions about Los Ángeles

What is the air quality (AQI) in Los Ángeles right now?

The latest reading for Los Ángeles shows an AQI of 58 (Moderate), observed Nov 10, 23:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.

Is it safe to exercise outside in Los Ángeles today?

At AQI 58 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.

What has the air quality in Los Ángeles been like this week?

Over the last 7 days, the CAMS air-quality model put Los Ángeles's daily AQI at 24 on average, from 14 on Nov 7 to an hourly peak of 58 on Nov 10. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.

How much forest has the area around Los Ángeles lost since 2001?

Since 2001, the area within 10 km of Los Ángeles has lost about 3,070 hectares of forest (about 4,300 football pitches): 28% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 514 hectares (17%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is slowing down: about 45 hectares a year in 2021–2025, down from 204 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Los Ángeles shrank from about 6,470 hectares to 4,130 hectares, a net loss of about 2,340 hectares (−36%). New forest grew on about 641 hectares, but 2,990 hectares were lost.

What is the tree count in Los Ángeles?

Los Ángeles has an estimated 45,867 trees across the 12.57 km² measured — 14.6% tree cover, 15 percentage points short of the 30% tree-cover target set for this area.

How many more trees does Los Ángeles need?

Los Ángeles needs roughly 48,381 more trees to close a 15-point shortfall against its 30% tree-cover target — about 1,064 t of extra CO₂ absorbed per year once grown.

How are Los Ángeles's air quality and tree cover measured?

Air quality comes from ground monitoring stations via OpenAQ where one reports nearby, and otherwise, as here, from the Open-Meteo / CAMS model, which may differ from street-level monitors. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 2 km radius around Los Ángeles; the tree count is an estimate derived from that cover.

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